12785275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 17074800

約数和(自身を除く): 4289525

約数列:

[1, 5, 17, 25, 67, 85, 335, 425, 449, 1139, 1675, 2245, 5695, 7633, 11225, 28475, 30083, 38165, 150415, 190825, 511411, 752075, 2557055, 12785275]

約数ペア:

[(1, 12785275), (5, 2557055), (17, 752075), (25, 511411), (67, 190825), (85, 150415), (335, 38165), (425, 30083), (449, 28475), (1139, 11225), (1675, 7633), (2245, 5695)]